Or look for the North Star at night.
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From: "Mike Waters" <[email protected]>
Sent: Friday, November 01, 2013 1:21 PM
To: "topband" <[email protected]>
Subject: Re: Topband: Steady Carrier on 80 CW -BTW
Or a compass laying on a camera tripod, and an up-to-date magnetic
declination map (Google it).
73, Mike
www.w0btu.com
On Fri, Nov 1, 2013 at 12:12 PM, Charlie Cunningham <
[email protected]> wrote:
... by using a solar determination of true North.
The way that I do it for my antenna arrays is:
1.0 Use a weather site to determine local sunrise and sunset times for
your
location on the day that you are going to make the determination.
2.0 Split the difference to determine the time for your local solar
noon.
3.0 At the time of your local solar noon, a vertical shaft (determined
by
plumb line or spirit level) will cast a shadow that points to true North.
(Best done on sunny day of course!)
_________________
Topband Reflector
_________________
Topband Reflector
